Question

What is hemocoel? Which group of animals have hemocoel?

Answer 1

Coelom:

1. It is a body cavity that is lined by mesoderm.
2. A body cavity is a fluid-filled space where the internal organs can be suspended and separated from the body wall.

Haemocoel:

Haemocoel refers to the coelom that is reduced and filled with blood.

Phylum Arthropoda:

1. Animals belonging to the phylum arthropods have haemocoel.
2. For example - In cockroaches, visceral organs located in the haemocoel are bathed in blood haemolymph.